262056520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1213}}^1$

素因数の和:1726

約数の個数: 64

約数和(自身を含む): 645071040

約数和(自身を除く): 383014520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 491, 982, 1213, 1964, 2426, 2455, 3928, 4852, 4910, 5401, 6065, 9704, 9820, 10802, 12130, 13343, 19640, 21604, 24260, 26686, 27005, 43208, 48520, 53372, 54010, 66715, 106744, 108020, 133430, 216040, 266860, 533720, 595583, 1191166, 2382332, 2977915, 4764664, 5955830, 6551413, 11911660, 13102826, 23823320, 26205652, 32757065, 52411304, 65514130, 131028260, 262056520]

約数ペア:

[(1, 262056520), (2, 131028260), (4, 65514130), (5, 52411304), (8, 32757065), (10, 26205652), (11, 23823320), (20, 13102826), (22, 11911660), (40, 6551413), (44, 5955830), (55, 4764664), (88, 2977915), (110, 2382332), (220, 1191166), (440, 595583), (491, 533720), (982, 266860), (1213, 216040), (1964, 133430), (2426, 108020), (2455, 106744), (3928, 66715), (4852, 54010), (4910, 53372), (5401, 48520), (6065, 43208), (9704, 27005), (9820, 26686), (10802, 24260), (12130, 21604), (13343, 19640)]